CN211962694U - Three-lumen urinary catheter that predicts spontaneous voiding - Google Patents

Abstract

The utility model provides a three-lumen urinary catheter capable of predicting the function of autonomous urination, comprising: a urinary catheter body arranged along the urethra; , the catheter body is provided with a urinary catheter partition, which divides the urinary catheter body into at least a plurality of mutually independent partitioned lumen tubes including a urinary catheter lumen and a detection lumen. The urine outlet end of the catheterization lumen is provided with a urinal that communicates with the inside of the catheterization chamber, the urine outlet end of the detection chamber is provided with a urine outlet communicated with the interior of the detection chamber, and the detection chamber is also provided with a one-way nozzle. Pressure valve. The three-lumen urinary catheter that can predict the voluntary urination function provided by the utility model can evaluate the recovery of the urination function of the patient without inserting and removing the urinary catheter, avoid the problem of urinary retention, and reduce the burden on the patient caused by the repeated insertion and removal of the urinary catheter. pain and reduce the workload of medical staff.

Description

Three-lumen urinary catheter that predicts spontaneous voiding

technical field

The utility model relates to the field of medical devices, in particular to a three-lumen urinary catheter capable of predicting the function of urination autonomously.

Background technique

Catheterization is one of the common clinical operations. The commonly used catheter is a soft catheter made of natural rubber or silicone. The head of the catheter can be inserted into the bladder through the urethra to drain the urine. The end of the urethra is connected to a urine bag to collect urine.

When the catheter is pulled out after using the catheter for a long time, because the detrusor muscle does not move for a long time, the contraction function is temporarily lost after the catheter is pulled out, and the urine accumulated in the bladder cannot be discharged, which is prone to urinary retention problems. Therefore, the medical staff needs to reset the urinary catheter and remove the urinary catheter again after the urine is discharged from the bladder. If the patient has the problem of urinary retention again, the catheter must be reset again until the detrusor muscle regains its contractile function. Frequent insertion and removal of urinary catheters can cause urethral injury or even infection of the patient, increasing the pain of the patient.

Utility model content

Aiming at the technical problem in the prior art that frequent insertion and extraction of the urinary catheter will cause urethral injury or even infection of the patient and increase the pain of the patient, the utility model provides a three-lumen urinary catheter that can predict the function of voluntary urination. The three-lumen urinary catheter that predicts spontaneous urination function can evaluate the recovery of the patient's urination function without inserting and removing the urinary catheter, avoiding the problem of urinary retention, reducing the pain caused by the repeated insertion and removal of the urinary catheter, and reducing the burden of medical staff. workload.

In order to achieve the above purpose, the three-lumen urinary catheter provided by the present invention that can predict the function of spontaneous urination includes: a urinary catheter body for laying along the urethra, and the urinary catheter body has a urine inlet end and a urine outlet end, so The urine inlet end is used to be inserted in the bladder, and the urine outlet end is exposed at the urethral opening; the urinary catheter partition is arranged in the pipe body of the urinary catheter body, and the urinary catheter partition is used to separate the urinary catheter. The tube body is divided into a plurality of separate lumen tubes that are independent of each other, and the plurality of divided lumen tubes at least include a catheterization lumen and a detection lumen; The catheter tube is internally communicated, and the urine entering from the urine inlet end of the catheter body can flow out from the catheter nozzle through the catheter tube; the urine outlet is arranged in the detection chamber The urine outlet end is connected with the inside of the detection cavity; a one-way pressure valve is arranged in the detection cavity, the one-way pressure valve is closed when the catheter is closed and the urine pressure in the detection cavity When the pressure is greater than the preset pressure value, it is turned on, so that the urine in the bladder flows out through the detection lumen.

Further, the three-lumen urinary catheter capable of predicting the function of spontaneous urination further comprises: a first valve, which is arranged at the outlet of the urinal; and a second valve, which is arranged at the outlet of the urinal.

Further, the three-lumen urinary catheter capable of predicting the function of spontaneous urination further comprises: a urine bag, a urine bag separator is arranged in the urine bag, and the urine bag separator separates the urine bag into independent parts. A urine storage cavity and a urine collection cavity, the catheterization cavity is communicated with the inside of the urine storage cavity through the urinal nozzle, and the detection cavity is communicated with the inside of the urine collection cavity through the urinal.

Further, the outer walls of the urine storage cavity and the urine collection cavity are respectively provided with scale tables for marking the urine volume.

Further, the bottoms of the urine storage cavity and the urine collection cavity are respectively provided with urination valves.

Further, the three-lumen urinary catheter capable of predicting the function of spontaneous urination further comprises: a pressure detection part, which is arranged on the urine inlet end of the one-way pressure valve and is used to detect the urine of the urine inlet end of the one-way pressure valve. The hydraulic pressure is measured, and a pressure signal is output; a display device is arranged on the urine bag and is electrically connected with the pressure detection part, and is used for corresponding display of the urine pressure.

Further, the plurality of compartmentalized lumens also include water injection lumen; the three-lumen urinary catheter capable of predicting the function of spontaneous urination further includes a water bladder and a water injection soft valve communicated with the water injection lumen, and the water injection The soft valve is arranged at the urine outlet end of the urinary catheter body, and the water bladder is arranged at the urine inlet end of the urinary catheter body. When liquid is injected into the bladder, the water bladder can be inflated and clamped at the urinary outlet of the bladder to fix the three-lumen urinary catheter that can predict the function of spontaneous urination.

Further, the edge of the urine inlet end of the urinary catheter body is a smooth rounded structure.

Through the technical solution provided by the present utility model, the present utility model has at least the following technical effects:

The three-lumen urinary catheter of the utility model, which can predict the function of spontaneous urination, comprises a urinary catheter body arranged along the urethra; the urinary inlet end of the urinary catheter is inserted into the bladder; Urinary tube partitions are arranged in the body of the body, which divides the urinary catheter body into a plurality of mutually independent partitioned lumen tubes including at least a urinary catheterization lumen tube and a detection lumen tube. The urine outlet end of the catheterization lumen is provided with a urinal that communicates with the inside of the catheterization chamber, the urine outlet end of the detection chamber is provided with a urine outlet communicated with the interior of the detection chamber, and a one-way nozzle is also arranged in the detection chamber. Pressure valve. The three-lumen urinary catheter that can predict the voluntary urination function provided by the utility model can evaluate the recovery of the patient's urination function without plugging and unplugging the urinary catheter, avoid the problem of urinary retention, and reduce the burden on the patient caused by repeated plugging and unplugging of the urinary catheter. pain and reduce the workload of medical staff.

Other features and advantages of the present invention will be described in detail in the detailed description section that follows.

Description of drawings

FIG. 1 is a schematic diagram of a three-lumen urinary catheter that can predict the function of spontaneous urination provided by an embodiment of the present invention.

Description of reference numerals

1 Catheter body 2 Urinary catheter divider

3 urinals 4 urinals

5 one-way pressure valve 6 first valve

7Second valve 8Urine bag

9 Pressure detector 10 Display device

11 Water bladder 12 Water filling soft valve

101 Catheterization lumen 102 Detection lumen

103 water injection cavity 801 urine bag divider

802 Urine storage chamber 803 Urine collection chamber

804 scale table 805 urination valve

Detailed ways

The specific implementations of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention.

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

In the present utility model, unless otherwise stated, the directional words used such as "up, down, top, bottom" are usually for the directions shown in the drawings or for vertical, vertical or gravity A word describing the mutual positional relationship of each component in terms of direction.

The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Please refer to FIG. 1 , an embodiment of the present invention provides a three-lumen urinary catheter capable of predicting the function of spontaneous urination. The three-lumen urinary catheter capable of predicting the function of spontaneous voiding includes: a urinary catheter body 1 for laying along the urethra , the catheter body 1 has a urine inlet end and a urine outlet end, the urine inlet end is used to be inserted in the bladder, and the urine outlet end is exposed at the urethra; The urinary catheter divider 2 in the tube, the urinary catheter divider 2 divides the urinary catheter body 1 into a plurality of separate lumen tubes that are independent of each other, and the plurality of divided lumen tubes at least include the urinary catheter lumen tube 101 and Detection lumen 102; catheter nozzle 3, arranged at the urine outlet end of the catheter lumen 101 and communicated with the interior of the catheter lumen 101, the urine entering from the urine inlet end of the catheter body 1 The liquid can flow out from the catheter nozzle 3 through the catheterization lumen 101; the urinal 4 is arranged at the urine outlet end of the detection lumen 102 and communicates with the interior of the detection chamber 102; one-way pressure The valve 5 is arranged in the detection lumen 102, and the one-way pressure valve 5 is opened when the catheter 3 is closed and the urine pressure in the detection lumen 102 is greater than the preset pressure value, so that the bladder The urine inside flows out through the detection lumen 102 .

Specifically, in the embodiment of the present invention, the catheter body 1 is arranged along the urethra, including a urine end and a urine outlet end, the urine inlet end of the catheter body 1 is inserted into the bladder, and the urine outlet end is exposed at the urethral opening. . The urinary catheter body 1 is provided with a urinary catheter divider 2 , which divides the urinary catheter body 1 into a plurality of mutually independent partition lumens including at least a urinary catheter lumen 101 and a detection lumen 102 . The urine outlet end of the catheterization lumen 101 is provided with a urinal 3 that communicates with the inside of the catheterization lumen 101, and the urine outlet end of the detection lumen 102 is provided with a urine outlet 4 that communicates with the interior of the detection chamber 102. A one-way pressure valve 5 is also provided in the pipe 102. When the urine pressure at the urine inlet end of the one-way pressure valve 5 is greater than the threshold pressure, the one-way pressure valve 5 is turned on.

When the urinal 4 is blocked and the catheter 3 is opened, the patient can urinate normally through the catheter lumen 101 . A one-way pressure valve 5 is arranged in the detection cavity 102. When the urine pressure at the urine inlet end of the one-way pressure valve 5 is greater than the set value, the one-way pressure valve 5 is turned on. Therefore, before the medical staff pulls out the catheter body 1, the catheter nozzle 3 can be blocked, the urinal nozzle 4 can be opened, and the recovery of the patient's urination function can be judged: the catheter nozzle 3 is blocked, and the urinal nozzle 4 is opened, The patient contracts the detrusor muscle, compressing the bladder, and expelling urine into the detection lumen 102 . When urine flows out from the urine outlet end of the lumen measuring tube 102, it means that the contractile force of the detrusor contraction is greater than the set contractile force, and at the same time measure the urine volume (ie the spontaneous urination volume) discharged from the measuring lumen tube 102, and then seal it again. The urinal 4 is blocked, the urinal 3 is opened, the urine is discharged from the catheter 101, and the discharged urine volume (ie, the residual urine volume) is recorded. By comparing the spontaneous urine volume discharged from the measuring lumen 102 and the residual urine volume discharged from the catheterization lumen 101, the patient's urination recovery can be evaluated. It is generally believed that the residual urine volume is less than or equal to 100ml, or the spontaneous voiding volume accounts for more than two-thirds of the sum of the spontaneous voiding volume and the residual urine volume, and the patient's voiding function can be considered to return to normal.

When it is determined that the patient has resumed normal urination, the catheter body 1 can be pulled out. If the patient has not returned to normal urination, use corresponding drugs or physical therapy to improve bladder function, or temporarily do not pull out the catheter body 1, wait for the patient to urinate several times, and exercise the detrusor muscle to evaluate the patient's urination again. , until the patient resumes normal urination, the catheter body 1 can be pulled out.

The utility model is suitable for obstetrics and gynecology diseases, such as pelvic floor dysfunction diseases after urinary incontinence and uterine prolapse, postoperative cervical cancer, maternal urinary retention, etc., and also suitable for diseases such as urology.

The three-lumen urinary catheter that can predict the spontaneous urination function provided by the embodiment of the present utility model can evaluate the recovery of the patient's urination function without inserting and unplugging the urinary catheter, avoid the problem of urinary retention, and reduce the problem of urinary retention caused by repeated insertion and removal of the urinary catheter. The pain caused by the patients reduces the workload of medical staff.

In the embodiment of the present invention, the one-way pressure valve 5 may be a mechanical one-way pressure valve or an electronic one-way pressure valve, which can be selected according to the actual situation, which is not limited in this embodiment.

Preferably, the one-way pressure valve 5 in this embodiment is an electronic one-way pressure valve, and the medical staff can arbitrarily set the threshold pressure of the one-way pressure valve 5 . If the one-way pressure valve 5 does not discharge urine from the detection lumen 102 under the condition of the first threshold pressure, the threshold pressure of the one-way pressure valve 5 may be gradually reduced until urine is discharged from the detection lumen 102, with the current Threshold pressure roughly evaluates the recovery of the detrusor and determines the recovery time.

Further, the three-lumen urinary catheter that can predict autonomous urination function further includes: a first valve 6 , which is arranged at the outlet of the urinal 3 ; a second valve 7 , which is arranged at the outlet of the urinal 4 . exit.

Specifically, in the embodiment of the present invention, by setting the first valve 6 and the second valve 7, it is possible to directly close the first valve without manually clamping or blocking the urine outlet end of the catheterization lumen 101 and the detection lumen 102 6 or the second valve 7 can block the catheterization lumen 101 and the detection lumen 102, the operation is simple, and the workload of medical staff is reduced.

Further, the three-lumen urinary catheter capable of predicting the function of spontaneous urination further comprises: a urine bag 8, wherein a urine bag separator 801 is arranged in the urine bag 8, and the urine bag separator 801 separates the urine bag 8. Separated into a urine storage chamber 802 and a urine collection chamber 803 that are independent of each other, the catheterization lumen 101 communicates with the urine storage chamber 802 through the catheter nozzle 3, and the detection chamber 102 passes through the urine outlet. The mouth 4 communicates with the inside of the urine collection chamber 803 .

Specifically, in the embodiment of the present invention, a urine bag 8 is provided at the urine outlet end of the urinary catheter body 1, and a urine bag partition 801 is provided in the urine bag 8 to separate the urine bag 8 into mutually independent urine storage cavities. 802 and the urine collection cavity 803, the catheterization cavity 101 communicates with the interior of the urine storage cavity 802 through the urinal 3, and the detection cavity 102 communicates with the interior of the urine collection cavity 803 through the urinal 4.

According to the three-lumen urinary catheter capable of predicting autonomous urination function provided by the present invention, the number of urine bags can be reduced by setting the urine bag separator 801, the number of parts of the three-lumen urinary catheter capable of predicting autonomous urination function can be reduced, and the number of parts can be avoided. In addition, the urine volume on both sides of the urine bag separator 801 can be simply compared, and the patient's urination recovery situation can be estimated in advance.

Further, the outer walls of the urine storage chamber 802 and the urine collection chamber 803 are respectively provided with scale tables 804 for identifying the amount of urine.

Specifically, in the embodiment of the present invention, the outer walls of the urine storage cavity 802 and the urine collection cavity 803 are respectively provided with a scale table 804 for marking the urine volume, and the medical staff can visually and accurately determine the urine storage cavity by observing the scale table 804 802 and the urine volume in the urine collecting cavity 803, reducing the steps of measuring urine again, and reducing the workload of medical staff.

Further, the bottoms of the urine storage cavity 802 and the urine collection cavity 803 are respectively provided with a urination valve 805 .

Specifically, in the embodiment of the present invention, without replacing the urine bag 8, the urination valve 805 can be directly opened to clear the urine in the urine bag 8, which is convenient for medical staff to clean up excrement.

Further, the three-lumen urinary catheter capable of predicting the function of spontaneous urination further comprises: a pressure detection part 9, which is arranged at the urine inlet end of the one-way pressure valve 5, and is used to detect the inlet of the one-way pressure valve 5. The urine pressure at the urine end, and output a pressure signal; the display device 10 is arranged on the urine bag 8 and is electrically connected to the pressure detection member 9 for corresponding display of the urine pressure.

Specifically, in the embodiment of the present invention, the urine inlet end of the one-way pressure valve 5 is provided with a pressure detector 9, which can detect the urine pressure of the urine inlet end of the one-way pressure valve 5 in real time. The urine bag 8 is provided with a display device 10 that is electrically connected to the one-way pressure valve 5, which can display the urine pressure at the urine inlet end of the one-way pressure valve 5 in real time. The contraction strength of the urinary muscle can determine the recovery of the patient's urination function without adjusting the threshold pressure of the one-way pressure valve 5 multiple times. It is easy to operate, reduces the workload of medical staff, and facilitates medical staff to keep track of the patient's recovery at any time.

Further, the plurality of compartmentalized lumens also include water injection lumen 103 ; the three-lumen urinary catheter that can predict the function of spontaneous urination further includes a water bladder 11 and a water injection soft valve 12 that communicate with the water injection lumen 103 , the water injection soft valve 12 is arranged at the urine outlet end of the catheter body 1, and the water bladder 11 is arranged at the urine inlet end of the catheter body 1. When the water injection cavity 103 injects liquid into the water bladder 11, the water bladder 11 can be inflated and clamped at the urinary outlet of the bladder to fix the three-lumen urinary catheter that can predict the function of spontaneous urination.

Specifically, in the embodiment of the present invention, the plurality of separation cavities further include a water injection cavity 103 , a water bladder 11 is provided at the urine inlet end of the urinary catheter body 1 , and the water bladder 11 communicates with the water injection cavity 103 . After the medical staff inserts the three-lumen urinary catheter that can predict the spontaneous urination function into the patient's bladder, the liquid is injected into the water injection cavity 103 through the water injection soft valve 12, and the liquid flows along the water injection cavity 103 to the water bladder 11. The water bladder 11 can Inflate and clamp it at the bladder outlet to prevent the prolapse of the three-lumen catheter that can predict the function of spontaneous urination, fix the three-lumen catheter that can predict the function of spontaneous urination, and avoid multiple insertion and removal of the catheter to the patient. pain and reduce the workload of medical staff.

Further, the edge of the urine inlet end of the catheter body 1 is a smooth rounded structure.

Specifically, in the embodiment of the present invention, the edge of the urine inlet end of the catheter body 1 is a smooth rounded structure, which can prevent the edge from being too sharp and scratched when the urine inlet end of the catheter body 1 is inserted into the patient's urethra. The patient's urethra, reducing physical damage to the urethra, and improving the safety and comfort of triple-lumen catheters that can predict spontaneous voiding.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above-mentioned embodiments. Within the scope of the technical concept of the present invention, many technical solutions of the present invention can be carried out. These simple modifications all belong to the protection scope of the present invention.

In addition, it should be noted that the specific technical features described in the above-mentioned specific embodiments can be combined in any suitable manner unless they are inconsistent. The combination method is not specified otherwise.

In addition, the various embodiments of the present invention can also be arbitrarily combined, as long as they do not violate the idea of the present invention, they should also be regarded as the content disclosed by the present invention.

Claims (8)

1. a three-lumen urinary catheter that can predict voluntary urination function, is characterized in that, the described three-lumen urinary catheter that can predict voluntary urination function comprises: A catheter body (1) for laying along the urethra, the catheter body (1) has a urine inlet end and a urine outlet end, the urine inlet end is used to be inserted in the bladder, and the urine outlet end exposed at the urethra; A urinary catheter divider (2) arranged in the pipe body of the urinary catheter body (1), the urinary catheter partition (2) divides the urinary catheter body (1) into a plurality of partitions independent of each other a lumen, the plurality of divided lumen at least include a catheterization lumen (101) and a detection lumen (102); The catheter nozzle (3) is arranged at the urine outlet end of the catheterization lumen (101) and communicates with the inside of the catheterization lumen (101), from the urine inlet end of the catheter body (1) The entered urine can flow out from the catheter nozzle (3) through the catheterization lumen (101); A urinal (4), arranged at the urine outlet end of the detection cavity (102) and communicated with the interior of the detection cavity (102); A one-way pressure valve (5) is arranged in the detection cavity (102), the one-way pressure valve (5) is closed when the catheter (3) is closed and the pressure in the detection cavity (102) is closed. When the urine pressure is greater than the preset pressure value, it is turned on, so that the urine in the bladder flows out through the detection lumen (102). 2. The three-lumen urinary catheter capable of predicting spontaneous urination function according to claim 1, wherein the three-lumen urinary catheter capable of predicting spontaneous voiding function further comprises: a first valve (6), arranged at the outlet of the urinal (3); The second valve (7) is arranged at the outlet of the urinal (4). 3. The three-lumen urinary catheter capable of predicting spontaneous urination function according to claim 1, wherein the three-lumen urinary catheter capable of predicting spontaneous voiding function further comprises: A urine bag (8), a urine bag partition (801) is provided in the urine bag (8), and the urine bag partition (801) divides the urine bag (8) into mutually independent urine storage cavities (801). 802) and a urine collection chamber (803), the catheterization lumen (101) communicates with the urine storage chamber (802) through the catheter nozzle (3), and the detection lumen (102) passes through the It is stated that the urinal (4) communicates with the inside of the urine collecting cavity (803). 4. The three-lumen urinary catheter capable of predicting spontaneous urination function according to claim 3, characterized in that, the outer walls of the urine storage cavity (802) and the urine collection cavity (803) are respectively provided with markers for Scale table for urine output (804). 5. The three-lumen urinary catheter capable of predicting spontaneous urination function according to claim 3, characterized in that, the bottoms of the urine storage cavity (802) and the urine collection cavity (803) are respectively provided with a urination valve ( 805). 6. The three-lumen urinary catheter capable of predicting spontaneous urination function according to claim 3, wherein the three-lumen urinary catheter capable of predicting spontaneous voiding function further comprises: A pressure detection part (9), arranged at the urine inlet end of the one-way pressure valve (5), for detecting the urine pressure at the urine inlet end of the one-way pressure valve (5), and outputting a pressure signal; A display device (10) is provided on the urine bag (8), and is electrically connected to the pressure detection element (9), for correspondingly displaying the urine pressure. 7. The three-lumen urinary catheter capable of predicting spontaneous urination function according to claim 1, wherein the plurality of divided lumen tubes further comprises a water injection lumen tube (103); The three-lumen urinary catheter capable of predicting the function of spontaneous urination further comprises: a water bladder (11) and a water injection soft valve (12) communicated with the water injection cavity (103), wherein the water injection soft valve (12) is provided with At the urine outlet end of the catheter body (1), the water bladder (11) is arranged at the urine inlet end of the catheter body (1). When the water injection cavity (103) injects liquid into the water bladder (11), the water bladder (11) can be inflated and clamped at the urinary outlet of the bladder. The urinary catheter is fixed. 8. The three-lumen urinary catheter capable of predicting spontaneous urination function according to any one of claims 1-7, wherein the edge of the urinary inlet end of the urinary catheter body (1) is a smooth circle Angular structure.

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